Abstract
We investigate the static and dynamic magnetic property of stripe domain soft magnetic film by oblique sputtering at room temperature. With increasing oblique angles, the change of saturate magnetic field and remanent magnetization can be obtained by the typical hysteresis loop with domain structure. From MFM images, the clear stripe domain structure was observed and the stripe domain width decrease with increasing oblique sputtering angles. The result indicated increase of perpendicular magnetic anisotropy, which can be obtained by out-of-plane measurement configure of ferromagnetic resonance. The behavior is originated from the exchange coupling between ferrimagnet and ferromagnet, which lead to the enhancement of resonance frequency from 2.1 to 2.6 GHz. It was promising for future magnetic memory devices.
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